Lg Electronics Inc.

Evolved Wireless LLC

Kt Corporation

Microsoft Technology Licensing, LLC

Optis Cellular Technology, LLC

Wild Guard Ltd.

Pantech Corporation

Pantech Co., Ltd.

Goldpeak Innovations Inc

Google Inc.

Empire Technology Development LLC

Equo IP LLC

Min Seok Noh

Seung Hee Han

Yeong Hyeon Kwon

Dong Cheol Kim

Jin Sam Kwak

Hyun Woo Lee

Jae Hoon Chung

Sung Ho Moon

Moon Il Lee

Hyun Soo Ko

Hyun Hwa Park

Dragan Vujcic

Kyu Jin Park

Young Woo Yun

So Yeon Kim

Ja Ho Koo

Ki Ho Nam

Hong Won Park

Dong Kyu Kim

Han Gyu Cho

Sung Ho Cho

Bin Chul Ihm

Jin Soo Choi

Wook Bong Lee

Woo-jin Choi

Joon Kui Ahn

Dong Youn Seo

Jin Young Chun

Suck Chel Yang

Min Gyu Kim

Moon Ii Lee

Seong Ho Moon

Ae Ran Youn

Dong Chul Kim

Sung Gu Cho

Seunghee Han

Sung Ho Park

Su Nam Kim

Ji Won Kang

Ki Tae Kim

Yeong Hyeon Kwan

Yeon Hyeon Kwon

Yong Ho Kim

Geonjung Ko

Hak Seong Kim

Min Seok Oh

Hyun Oh Oh

Ju Hyung Son

Yeong-Hyeon Kwon

Vujcic Dragan

Yeong Hyeong Kwon

Disclosed is a data transmission method in a mobile communication system. The data transmission method through a code sequence in a mobile communication system includes grouping input data streams into a plurality of blocks consisting of at least one bit so as to map each block to a corresponding signature sequence, multiplying a signature sequence stream, to which the plurality of blocks are mapped, by a specific code sequence, and transmitting the signature sequence stream multiplied by the specific code sequence to a receiver.

Preamble sequence for a random access channel

A base station transmits a random access response in response to a random access request (random access preamble) of a user equipment. The random access response includes information about a time when the random access request is transmitted and sequence number information of the random access request (random access preamble). The user equipment checks whether the received random access response is the response of the random access request transmitted by the user equipment, using the information about the time when the random access request is transmitted and the sequence number information included in the received random access response.

Method for transmitting and receiving random access request and transmitting and receiving random access response

Provided are methods for transmission of a sounding reference signal (SRS) being independent of or separated from an uplink channel. The method may include receiving UE-specific configuration information including an uplink reference signal identity from the first transmission/reception point, determining the second transmission/reception point indicated by the uplink reference signal identity included in the received UE-specific configuration information as an uplink channel reception entity, transmitting the uplink channel to the determined second transmission/reception point, using the uplink reference signal identity, generating an SRS, using the physical cell identity of the first transmission/reception point, determining the first transmission/reception point as an SRS reception entity, and transmitting the generated SRS to the determined first transmission/reception point indicated by the physical cell identity.

Transmission of uplink sounding reference signal

A method and apparatus for requesting uplink resources in a wireless communication system is provided. A user equipment determines whether a scheduling request for requesting uplink resources is triggered. If the scheduling request is triggered, the user equipment transmits a first set of frequency domain sequences and a second set of frequency domain sequences in a subframe.

Method of transmitting scheduling request in a wireless communication system

A method for a user equipment (UE) in a wireless communication system, includes receiving channel state information reference signal (CSI-RS) for at one antenna port from a network in a subframe, wherein the CSI-RS is mapped to at least one pair of resource elements (REs) per physical resource block (PRB) pair in consecutive orthogonal frequency division multiplexing (OFDM) symbols in the subframe, and wherein the subframe includes two slots, and each slot includes six OFDM symbols based on an extended cyclic prefix (CP).

Method and apparatus for transmitting reference signal in wireless communication system

A symbol mapping method for repetition coding is disclosed. The symbol mapping method comprises performing repetition coding on codeword to output repeated codeword symbols, and mapping the repeated codeword symbols with subcarriers located in different localized resource blocks. According to the embodiments of the present invention, it is possible to obtain maximum reliability in a receiving side by mapping codeword bits with subcarriers to reduce the number of bits having low reliability when a transmitting side uses repetition coding. Also, it is possible to improve decoding throughput and obtain channel diversity.

Symbol mapping method for repetition channel coding

A method and apparatus for transmitting or detecting primary synchronization signal. The receiver receives primary synchronization signal from a transmitter, and detects the sequence used in the received primary synchronization signal by using three root indexes. Here, the primary synchronization signal is generated by using a Zadoff-Chu sequence having one of the three root indexes. The three root indexes comprise a first index and a second index, and a sum of the first index and the second index corresponds to the length of the Zadoff-Chu sequence.

Method and apparatus for transmitting or detecting a primary synchronization signal

An apparatus for receiving signals includes a receiver for receiving a time domain signal from a transmitter, wherein at least one first information bit is mapped, resulting in at least one first mapped symbol; at least one second information bit is mapped, resulting in at least one second mapped symbol; the at least one second mapped symbol is multiplied by at least one third information bit; and the time domain signal is generated from the at least one first mapped symbol and the at least one second mapped symbol.

Apparatus and method for transmitting data using a plurality of carriers

The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and to an apparatus for transmitting an SRS in a multi-antenna system. The method comprises the steps of: acquiring specific information for discriminating a first antenna group and a second antenna group from among a plurality of antennas, wherein said first antenna group includes one or more antennas which are set to a turned-on state to perform communication with a base station, and said second antenna group includes one or more other antennas which are set to a turned-off state; transmitting an SRS to the base station if a predetermined condition is satisfied, under the condition that the second antenna group is set to the turned-off state; and setting the second antenna group to a turned-off state after the transmission of the SRS.

Channel-sounding method using a plurality of antennas, and apparatus for same

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Anyang-si, South Korea

Min Seok Noh